Army Infant 2 pc Jogger Set- PT! Good for you, good for me! Our Trooper Infant Jogger Set will have your baby looking like they are ready for PT. This 2 pc set features a black 100% soft brushed cotton bodysuit with screen print and 3 snap bottoms for easy diaper changes. Jogger pants are a jersey grey with ARMY screen printed down the left leg. These are comfy and adorable to put your Army baby in.